[INFO] crate nu 0.14.0 is already in cache
[INFO] testing nu-0.14.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate nu 0.14.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate nu 0.14.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nu 0.14.0
[INFO] finished tweaking crates.io crate nu 0.14.0
[INFO] tweaked toml for crates.io crate nu 0.14.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate nu 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 7c6bd3a13c499401630760e3b1f80fd59ccae3e8abd503d1682920726c7e731b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7c6bd3a13c499401630760e3b1f80fd59ccae3e8abd503d1682920726c7e731b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling heim-common v0.0.10
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling heim-host v0.0.10
[INFO] [stderr]    Compiling macaddr v1.0.1
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]    Compiling battery v0.7.5
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling dunce v1.0.0
[INFO] [stderr]    Compiling xmlparser v0.13.1
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling result v1.0.0
[INFO] [stderr]    Compiling base64 v0.12.0
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling pretty-hex v0.1.1
[INFO] [stderr]    Compiling umask v0.1.8
[INFO] [stderr]    Compiling filesize v0.2.0
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling tint v1.0.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling meval v0.2.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling render-tree v0.1.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quick-xml v0.17.2
[INFO] [stderr]    Compiling codepage v0.1.1
[INFO] [stderr]    Compiling uom v0.26.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling roxmltree v0.10.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling fancy-regex v0.3.3
[INFO] [stderr]    Compiling eml-parser v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling uom v0.27.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling users v0.10.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling zip v0.5.5
[INFO] [stderr]    Compiling shellexpand v2.0.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling signal-hook v0.1.13
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossterm v0.17.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling decimal v2.0.4
[INFO] [stderr]    Compiling libgit2-sys v0.12.3+1.0.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=4c9cb192eed27a67 -C extra-filename=-4c9cb192eed27a67 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-935ebbc60f0a9367.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-95927a536c60c746.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-ea1ed2e1e1c986b4.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7c6bd3a13c499401630760e3b1f80fd59ccae3e8abd503d1682920726c7e731b"`
[INFO] running `"docker" "rm" "-f" "7c6bd3a13c499401630760e3b1f80fd59ccae3e8abd503d1682920726c7e731b"`
[INFO] [stdout] 7c6bd3a13c499401630760e3b1f80fd59ccae3e8abd503d1682920726c7e731b